Quote Originally Posted by Azurymber View Post
do other games already have this?
Yes, (Activision-)Blizzard has one downloable for free to authenticate to your Battle.Net™ Account.
The same service for Square-Enix would be really nice.

And toddlers LOVE security tokens and like to run off with them and lose them. Yeah, we've lived through that nightmare...
Natural selection at work :-p